arch/arm/mach-pxa/zylonite.c

   1 /*
   2  * linux/arch/arm/mach-pxa/zylonite.c
   3  *
   4  * Support for the PXA3xx Development Platform (aka Zylonite)
   5  *
   6  * Copyright (C) 2006 Marvell International Ltd.
   7  *
   8  * 2007-09-04: eric miao <eric.miao@marvell.com>
   9  *             rewrite to align with latest kernel
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  */
  15
  16 #include <linux/module.h>
  17 #include <linux/kernel.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/hardware.h>
  25 #include <asm/arch/gpio.h>
  26 #include <asm/arch/pxafb.h>
  27 #include <asm/arch/zylonite.h>
  28 #include <asm/arch/mmc.h>
  29
  30 #include "generic.h"
  31
  32 #define MAX_SLOTS       3
  33 struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
  34
  35 int gpio_backlight;
  36 int gpio_eth_irq;
  37
  38 int lcd_id;
  39 int lcd_orientation;
  40
  41 static struct resource smc91x_resources[] = {
  42         [0] = {
  43                 .start  = ZYLONITE_ETH_PHYS + 0x300,
  44                 .end    = ZYLONITE_ETH_PHYS + 0xfffff,
  45                 .flags  = IORESOURCE_MEM,
  46         },
  47         [1] = {
  48                 .start  = -1,   /* for run-time assignment */
  49                 .end    = -1,
  50                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  51         }
  52 };
  53
  54 static struct platform_device smc91x_device = {
  55         .name           = "smc91x",
  56         .id             = 0,
  57         .num_resources  = ARRAY_SIZE(smc91x_resources),
  58         .resource       = smc91x_resources,
  59 };
  60
  61 <<<<<<< HEAD:arch/arm/mach-pxa/zylonite.c
  62 #if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
  63 =======
  64 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
  65 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:arch/arm/mach-pxa/zylonite.c
  66 static void zylonite_backlight_power(int on)
  67 {
  68         gpio_set_value(gpio_backlight, on);
  69 }
  70
  71 static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
  72         .pixclock               = 110000,
  73         .xres                   = 240,
  74         .yres                   = 320,
  75         .bpp                    = 16,
  76         .hsync_len              = 4,
  77         .left_margin            = 6,
  78         .right_margin           = 4,
  79         .vsync_len              = 2,
  80         .upper_margin           = 2,
  81         .lower_margin           = 3,
  82         .sync                   = FB_SYNC_VERT_HIGH_ACT,
  83 };
  84
  85 static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
  86         .pixclock               = 50000,
  87         .xres                   = 640,
  88         .yres                   = 480,
  89         .bpp                    = 16,
  90         .hsync_len              = 1,
  91         .left_margin            = 0x9f,
  92         .right_margin           = 1,
  93         .vsync_len              = 44,
  94         .upper_margin           = 0,
  95         .lower_margin           = 0,
  96         .sync                   = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
  97 };
  98
  99 static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
 100         .num_modes              = 1,
 101         .lccr0                  = LCCR0_Act,
 102         .lccr3                  = LCCR3_PCP,
 103         .pxafb_backlight_power  = zylonite_backlight_power,
 104 };
 105
 106 static struct pxafb_mode_info sharp_ls037_modes[] = {
 107         [0] = {
 108                 .pixclock       = 158000,
 109                 .xres           = 240,
 110                 .yres           = 320,
 111                 .bpp            = 16,
 112                 .hsync_len      = 4,
 113                 .left_margin    = 39,
 114                 .right_margin   = 39,
 115                 .vsync_len      = 1,
 116                 .upper_margin   = 2,
 117                 .lower_margin   = 3,
 118                 .sync           = 0,
 119         },
 120         [1] = {
 121                 .pixclock       = 39700,
 122                 .xres           = 480,
 123                 .yres           = 640,
 124                 .bpp            = 16,
 125                 .hsync_len      = 8,
 126                 .left_margin    = 81,
 127                 .right_margin   = 81,
 128                 .vsync_len      = 1,
 129                 .upper_margin   = 2,
 130                 .lower_margin   = 7,
 131                 .sync           = 0,
 132         },
 133 };
 134
 135 static struct pxafb_mach_info zylonite_sharp_lcd_info = {
 136         .modes                  = sharp_ls037_modes,
 137         .num_modes              = 2,
 138         .lccr0                  = LCCR0_Act,
 139         .lccr3                  = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
 140         .pxafb_backlight_power  = zylonite_backlight_power,
 141 };
 142
 143 static void __init zylonite_init_lcd(void)
 144 {
 145         /* backlight GPIO: output, default on */
 146         gpio_direction_output(gpio_backlight, 1);
 147
 148         if (lcd_id & 0x20) {
 149                 set_pxa_fb_info(&zylonite_sharp_lcd_info);
 150                 return;
 151         }
 152
 153         /* legacy LCD panels, it would be handy here if LCD panel type can
 154          * be decided at run-time
 155          */
 156         if (1)
 157                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
 158         else
 159                 zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
 160
 161         set_pxa_fb_info(&zylonite_toshiba_lcd_info);
 162 }
 163 #else
 164 static inline void zylonite_init_lcd(void) {}
 165 #endif
 166
 167 #if defined(CONFIG_MMC)
 168 static int zylonite_mci_ro(struct device *dev)
 169 {
 170         struct platform_device *pdev = to_platform_device(dev);
 171
 172         return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
 173 }
 174
 175 static int zylonite_mci_init(struct device *dev,
 176                              irq_handler_t zylonite_detect_int,
 177                              void *data)
 178 {
 179         struct platform_device *pdev = to_platform_device(dev);
 180         int err, cd_irq, gpio_cd, gpio_wp;
 181
 182         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 183         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 184         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 185
 186         /*
 187          * setup GPIO for Zylonite MMC controller
 188          */
 189         err = gpio_request(gpio_cd, "mmc card detect");
 190         if (err)
 191                 goto err_request_cd;
 192         gpio_direction_input(gpio_cd);
 193
 194         err = gpio_request(gpio_wp, "mmc write protect");
 195         if (err)
 196                 goto err_request_wp;
 197         gpio_direction_input(gpio_wp);
 198
 199         err = request_irq(cd_irq, zylonite_detect_int,
 200                           IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 201                           "MMC card detect", data);
 202         if (err) {
 203                 printk(KERN_ERR "%s: MMC/SD/SDIO: "
 204                                 "can't request card detect IRQ\n", __func__);
 205                 goto err_request_irq;
 206         }
 207
 208         return 0;
 209
 210 err_request_irq:
 211         gpio_free(gpio_wp);
 212 err_request_wp:
 213         gpio_free(gpio_cd);
 214 err_request_cd:
 215         return err;
 216 }
 217
 218 static void zylonite_mci_exit(struct device *dev, void *data)
 219 {
 220         struct platform_device *pdev = to_platform_device(dev);
 221         int cd_irq, gpio_cd, gpio_wp;
 222
 223         cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
 224         gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
 225         gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
 226
 227         free_irq(cd_irq, data);
 228         gpio_free(gpio_cd);
 229         gpio_free(gpio_wp);
 230 }
 231
 232 static struct pxamci_platform_data zylonite_mci_platform_data = {
 233         .detect_delay   = 20,
 234         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 235         .init           = zylonite_mci_init,
 236         .exit           = zylonite_mci_exit,
 237         .get_ro         = zylonite_mci_ro,
 238 };
 239
 240 static struct pxamci_platform_data zylonite_mci2_platform_data = {
 241         .detect_delay   = 20,
 242         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 243 };
 244
 245 static void __init zylonite_init_mmc(void)
 246 {
 247         pxa_set_mci_info(&zylonite_mci_platform_data);
 248         pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 249         if (cpu_is_pxa310())
 250                 pxa3xx_set_mci3_info(&zylonite_mci_platform_data);
 251 }
 252 #else
 253 static inline void zylonite_init_mmc(void) {}
 254 #endif
 255
 256 static void __init zylonite_init(void)
 257 {
 258         /* board-processor specific initialization */
 259         zylonite_pxa300_init();
 260         zylonite_pxa320_init();
 261
 262         /*
 263          * Note: We depend that the bootloader set
 264          * the correct value to MSC register for SMC91x.
 265          */
 266         smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
 267         smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
 268         platform_device_register(&smc91x_device);
 269
 270         zylonite_init_lcd();
 271         zylonite_init_mmc();
 272 }
 273
 274 MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
 275         .phys_io        = 0x40000000,
 276         .boot_params    = 0xa0000100,
 277         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 278         .map_io         = pxa_map_io,
 279         .init_irq       = pxa3xx_init_irq,
 280         .timer          = &pxa_timer,
 281         .init_machine   = zylonite_init,
 282 MACHINE_END